Dns not updating from dhcp 2016

If the zone is set to "Nonsecure and Secure" (allowing anonymous updates), every 15 minutes, the DNS record disappears. As seen in the verbose logs, every 15 minutes (the default), If the zone is nonsecure or set to "none " and the record does NOT exist, at step 3, DNS will create the DNS record (A(host) and PTR). **Note – Due to modern DNS client cache, the momentary delete / recreate of the DNS record is not noticed by clients.

The DNS server will then discard the authentication token as it is not needed (the record was registered… SSSD will get the expected returned response of a successful authenticated update. They will continue to resolve the LINUX host throughout the process.

DHCP log will show many failures (31), DNS debug log shows very little but many (noerror).

Setup is 2 2008R2 DC's (DC1, DC2) in a cluster (I know, I know) running DHCP as a clustered service.

'usmdua8006' is the single label name for the system. A hostname can be a single label name of a node on a network or it can be a fully qualified name (example: 'usmdua8006.contoso.corp') If you look in the screenshot above, you will see that the LINUX hostname is a single label name.

If the zone is set to "None", no update of any kind is done. To understand what happens here, you must look at the design of the DNS update process. Enjoy your more modern Linux dynamic DNS experience!Thanks in advance -Lisa Sent: Friday, April 29, 2016 AMTo: [email protected] Subject: [Active Dir] Dynamic DNS randomly not updating. DHCP log will show many failures (31), DNS debug log shows very little but many (noerror).Thanks in advance-Lisa------------------------------------------------------------------------------------This message was posted over our web site can still reply to this thread by email and also over the web site.My question is why aren't all my records updating their forward records?And what's the benefit or disadvantage or using a large reverse DNS lookup zone?

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